I agree, they are awesome for the width!
but the finnex are built with a 120deg optical angle, so it provides sufficient spread for our 18inch depth.
I was about to get a new t5ho fixture because my original ones were only 2ft long, rather than the full 3ft of the tank.

but after 1 year of ownership on a t5ho fixture, getting new bulbs when the original ones go bad=the price of this finnex. so as long as I keep my tank running that long, then i've saved money (+savings with it being led's on energy)

Here are the pictures as promised:
i'm tearing this down in a month to use what i was designing in the other thread...so its a plain jane tank until then.